SQLite is a popular, relational database that you embed into your application. With an increasing amount of data in your database, you need to apply SQLite performance tuning. This article discusses indices and its pitfalls, the use of the query planner, the Write-Ahead-Logging (WAL) journal mode and increasing the cache size. It also elaborates on … Read more
SQLite is a popular, relational database that you embed into your application. However, there are many traps and pitfalls you should avoid. This article discusses several pitfalls (and how to avoid them), such as the use of ORMs, how to reclaim disk space, minding the maximum number of query variables, column data types and how … Read more
This posts presents my open source Android app named Stop It! which lets you create bookmarks for audio tracks you play with third party Android audio players, e.g. music or podcast apps. Introduction Bookmarks are a well-known concept from real (or virtual) books, and web sites. You have certainly used them thousands of times already. … Read more
Updated 2022-09-18 to reflect that Docker for Desktop and Virtualbox can co-exist on Windows, because Hyper-V is no longer a requirement for Docker for Desktop. Vagrant is a tool that automatically downloads and configures virtual machines, according to a recipe file. Docker does something similar, but can achieve better performance in specific situations. This article … Read more
Vagrant is a tool that automatically downloads and configures virtual machines, according to a recipe file. Typically, the base image is downloaded from the Vagrant Cloud, a repository of user-submitted boxes. This article explains how to create a Vagrant box, which is necessary if there is no appropriate box on Vagrant Cloud, or if you … Read more
Vagrant is a tool that automatically downloads and configures virtual machines, according to a recipe file. It is similar to Docker, but with extended support for different, virtualized operating systems. Use cases include setting up virtual test beds, or CI build machines. This article provides an introduction to Vagrant’s concepts and how it works, as … Read more
Collaborative code editors let developers write code together in real time, just like Google Docs. This article compares Microsoft Live Share, Atom TeleType, Floobits, CodeTogether, and CodeInterview. I clearly demonstrate the limitations and benefits of each tool, including how it integrates into existing IDEs, end-to-end encryption and pricing. I’ll conclude with recommendations for different use … Read more
Git allows a repository to include other Git repositories as submodules. However, the submodules mechanism is complicating several workflows that are usually straightforward, like committing or checking out changes. This Git submodule tutorial explains the concept of submodules and helps you navigate the most important workflows. All steps and commands are demonstrated by example, using … Read more
It is possible to download video and audio streams from streaming platforms, using third-party tools. You need these tools if the streaming site does not officially support downloading. This article focuses on the powerful tool named youtube-dl. It explains the compatible graphical user interfaces Downline and YDL-UI. They make it easy to download videos (or … Read more
Whenever you develop UNIX shell scripts on Microsoft Windows and commit them with Git, they lack the UNIX execute permission bit. When you check out the file with Git on a UNIX-based system, these scripts cannot be started, and the software breaks. This article explains how to set the execute permission bit on Windows, and … Read more